       [v-box
        :gap      "10px"
        :children [[p "[single-dropdown ...] supports tab key navigation."]
-                  [p "The :tab-index parameter specifies position in the tab order,
+                  [p "The " [:code ":tab-index"] " parameter specifies position in the tab order,
                        or it can be removed from the tab order using a value of -1."]
                   [p "Up-arrow and Down-arrow do sensible things."]
                   [p "Home and End keys move to the beginning and end of the list."]

      [v-box
       :gap      "10px"
       :children [[p "The dropdown below adds a filter text box to the dropdown section which is convenient for when there are many choices."]
                  [p "The filter text is searched for in both the :group and the :label values. If the text matches the :group, then all
                      choices under that group are considered to be 'matched'."]
                  [p "The initial model value has been set to 'US'."]
                  [h-box

    (fn []
      [v-box
       :gap      "10px"
       :children [[p "Dropdowns choices can be built with arbitrary markup using the " [:code ":render-fn"] " attribute. When filtering, only the text from the label will be considered."]
                  [h-box
                   :gap      "10px"
                   :align    :center
